 * {
            margin: 0;
            padding: 0;
        }
        body,
        html {
            font-size: 10px;
            font-family: 'Microsoft Yahei', '微软雅黑', 'Simsun', '宋体', 'Arial', sans-serif;
        }
        img {
            border: 0;
        }
        a.menu {
            color: #fff;
            text-decoration: none;
            outline: none;
        }
        ol.menu,
        ul.menu,
        li.menu {
            list-style: none;
        }
        .head-nav {
            width: 100%;
            height: 60px;
            background: skyblue;
        }
        .head-nav-con {
            width: 1200px;
            height: 30px;
            margin: auto;
        }
        .head-nav-con ul li {
            width: 130px;
            float: left;
            font-size: 13px;
            text-align: center;
        }
        .head-nav-con ul li:hover {
            background: #ff9c01;
        }
        .head-nav-con ul a {
            display: block;
            text-decoration: none;
            text-align: center;
            line-height: 60px;
            color: white;
        }
        .head-nav-con .drop-down {
            position: relative;
        }
        .head-nav-con .drop-down-content {
            padding: 0;
            display: none;
            position: absolute;
            z-index: 1;
            background: #007130;
        }
        .head-nav-con .drop-down-content li:hover > a {
            background-color: #ff9c01;
        }
        .head-nav-con .drop-down:hover .drop-down-content {
            display: block;
        }
        .head-nav-con .drop-down-2 {
            position: relative;
        }
        .head-nav-con .drop-down-content-2 {
            padding: 0;
            display: none;
            position: absolute;
            z-index: 1;
            background-color: #007130;
            right: -170px;
            top: 0;
        }
        .head-nav-con .drop-down-content-2 > li {
            float: none;
            background-color: #007130;
        }
        .head-nav-con .drop-down-content-2 li:hover a {
            background-color: #ff9c01;
        }
        .head-nav-con .drop-down-2:hover .drop-down-content-2 {
            display: block;
        }